An elevation is different. It shows the face of something, or perhaps more correct, the projection of an object/s to a plane. But my testing suggests it produces SECTIONS, not elevations.
Yes, you can use abbreviations in tables and figures. All abbreviations used in tables and figures should be defined in the table note or figure caption, respectively, even though the abbreviations will be also be defined in the text if they are used there.
Stat, an abbreviation of photostat. Stat, an abbreviation of the Latin statim, immediately, often used in medical contexts such as in hospital emergency rooms. Stat, an abbreviation of statistic. Stat, an abbreviation of statistics, more commonly stats in British English contexts.